package com.zsrt.java.day20161230.lh.day.ex.demo04;

import static org.junit.Assert.*;

import org.junit.Test;

public class Area {
	
	public double proportion(double a){
		
		return Math.PI*a*a;
	}
	public double xx(int a,int b){
		
		return Math.max(a, b);
	}
	public static double xx(double a){
		
		return Math.round(a);
	}
	public static double xa(int a,int b){
		
		return Math.pow(a, b);
	}
	
	
	@Test
	public void testName() throws Exception {
		System.out.println(Area.xa(2,2));
	}

}
